Finding the Fourth Proportional to 935,590.26, 1,291,112.79 and 527,690.82
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Solution
The fourth proportional to 935,590.26, 1,291,112.79 and 527,690.82 is: 728,212.33
Step by Step Solution
- Step 1: Write the proportion equation
935,590.26 : 1,291,112.79 = 527,690.82 : x - Step 2: Convert to fraction form
935,590.26/1,291,112.79 = 527,690.82/x - Step 3: Cross multiply
935,590.26x = 1,291,112.79 × 527,690.82 - Step 4: Simplify right side
935,590.26x = 681,308,366,867.59 - Step 5: Solve for x
x = 681,308,366,867.59/935,590.26 - Step 6: Final answer
x = 728,212.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.